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Gaokao Chemistry Practice Question

化学在文物的研究和修复中有重要作用。下列说法错误的是

  1. A.竹简的成分之一纤维素属于天然高分子
  2. B.龟甲的成分之一羟基磷灰石属于无机物
  3. C.古陶瓷修复所用的熟石膏,其成分为$\mathrm{Ca}(\mathrm{OH})_2$
  4. D.古壁画颜料中所用的铁红,其成分为$\mathrm{Fe}_2\mathrm{O}_3$

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